in the Collection of W. W. Saunders, Esq. 283 



Trupanea lateralis. 



Mas. — Nigra, capite subtus pilis albidis dense vestito, fronte 

 fulva pilis sub-auratis, mystace aiirato, thorace vittis tribus 

 indistinctis cinereis, lateribus pectoreqne canis, abdomine 

 vittis duabus lateralibus latis testaceo-albidis subtus cinereo, 

 pedibus robustis, tibiis luteis apice nigris, alis cinereis, striga 

 sub-costali sub-apicali obscuriore. 



Male. — Black : head tawny in front, thickly clothed with 

 whitish hairs beneath ; front with numerous slightly gilded hairs ; 

 epistoma with many gilded bristles ; thorax with three indistinct 

 cinereous stripes ; sides and pectus hoary ; abdomen with two 

 broad testaceous whitish stripes ; underside cinereous \ legs very 

 stout ; tibiae luteous, witli black tips ; wings cinereous, with a dark 

 grey steak along the apical part of the costa ; veins black, normal. 



Length of the body 7 lines; of the wings 12 lines. 



Mexico. 



Genus AsiLus, Linn. 



Asiliis inamatus. 



Foem. — Niger, capite albido, fronte sub-testacea setis nigris, 

 epistomate piano, mystace albido, thorace fasciis duabus 

 indistinctis cinereis, lateribus pectoreque canis, abdomine 

 sub- cinereo, tibiis fiilvis apice nigris, alis sub-cinereis, venis 

 nigris. 



Female. — Black : head with whitish tomentum, front with 

 slightly testaceous tomentum, wholly beset with black bristles ; 

 epistoma quite flat, with some whitish bristles; thorax with two 

 indistinct cinereous stripes ; sides and pectus hoary ; abdomen 

 slightly cinereous ; tibiae tawny, black towards the tips, wings 

 greyish ; veins black. 



Length of the body 4 lines ; of the wings 7 lines. 



Mexico. 



Asilus perrumpens. 



Mas. — Cinereus, capite pilis subtus albis, mystace setis infe- 

 rioribus albidis superioribus nigris, antennis nigris, thorace 

 vitta lata nigricante vittam angustam cineream includente, 

 abdominis segmentis nigro late marginatis, pedibus robustis, 

 alis cinereis, haheribus albidis apice fulvis. 



Male. — Cinereous : head with black bristles behind, and with 

 white hairs beneath ; front slightly convex towards the epistoma ; 

 mystax with several whitish bristles, above which are some shorter 



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